Hetch Hetchy Valley

Place

Plan with 34 source-backed facts, 3 related records, and explicit uncertainty.

At a glance

Observed operational status
As of
2026-09-25
Recheck required
Yes
Trail closures
none listed

Plan a visit

Requirements and current conditions

Observed operational status

Recorded for: Hetch Hetchy Valley

As of
2026-09-25
Recheck required
Yes
Trail closures
none listed
Evidence and sources (1)

No claim effective interval recorded.

Spatial scope IDs: scope-hetch-hetchy

  1. Evidence stance: supports · Evidence details

    As of September 25, 2026, NPS lists no Hetch Hetchy-area trail closures while retaining daylight road operations and general wildfire uncertainty; this is dated evidence.

    Publisher
    National Park Service
    Observer / attribution
    Not recorded
    Observed at
    Unknown
    Retrieved at
    2026-09-25T00:00:00+00:00

    Retrieval time does not establish when an event occurred.

    Observation details · Source details · Original source: National Park Service

Getting there

Access profile

Recorded for: Hetch Hetchy Valley

Day visitors exit by
sunset
Drive time
about 1 hour 15 minutes
From yosemite valley miles
38
Operational status requires current check
Yes
Parking
delays possible when dam-area lot fills, typically midday weekends
Road closed to all vehicles
sunset to sunrise
Road hours
sunrise to sunset
Winter
November through March closures or chain requirements possible
Evidence and sources (1)

No claim effective interval recorded.

Spatial scope IDs: scope-hetch-hetchy

  1. Evidence stance: supports · Evidence details

    NPS publishes Hetch Hetchy travel time, daylight-only road access, parking-delay context, winter road constraints, and reservoir use restrictions.

    Publisher
    National Park Service
    Observer / attribution
    Not recorded
    Observed at
    Unknown
    Retrieved at
    2026-09-25T00:00:00+00:00

    Retrieval time does not establish when an event occurred.

    Observation details · Source details · Original source: National Park Service

Routes and geography

Official dataset route segment

Recorded for: Hetch Hetchy trail segment 15187

Allowed uses
Hiker/Pedestrian
Distance status
not published at segment level
End coordinate
Latitude
37.9637166
Longitude
-119.7653976
Geometry snapshot
Feature id
nps-trail-15187
Path
geometry/v0/snapshots/nps-yose-hetch-hetchy-route-features-20260926.geojson
Sha256
dc04ac70ffa741abdb75c9ab76ee08ab4657a1505f161ae08588960a0e5d41cd
Route role
official mainline
Source feature id
15187
Source feature name
Unknown
Source geometry id
{8FB6B6E9-7C52-4274-B212-4682920027B6}
Start coordinate
Latitude
37.9636571
Longitude
-119.7655228
Surface
Wood
Evidence and sources (1)

No claim effective interval recorded.

Spatial scope IDs: scope-hetch-hetchy

  1. Evidence stance: supports · Evidence details

    Reviewed NPS Public Trails features provide exact shared endpoints for the Wapama Falls shoreline chain and Poopenaut Valley Trail selected against the official Hetch Hetchy map.

    Publisher
    National Park Service
    Observer / attribution
    Not recorded
    Observed at
    Unknown
    Retrieved at
    2026-09-26T00:00:00+00:00

    Retrieval time does not establish when an event occurred.

    Observation details · Source details · Original source: National Park Service

    Recorded artifact references
    • geometry/v0/snapshots/nps-yose-hetch-hetchy-route-features-20260926.geojson

    References are not a confirmation of current availability.

Official dataset route segment

Recorded for: Hetch Hetchy trail segment 15302

Allowed uses
Hiker/Pedestrian
Distance status
not published at segment level
End coordinate
Latitude
37.9464966
Longitude
-119.7875152
Geometry snapshot
Feature id
nps-trail-15302
Path
geometry/v0/snapshots/nps-yose-hetch-hetchy-route-features-20260926.geojson
Sha256
dc04ac70ffa741abdb75c9ab76ee08ab4657a1505f161ae08588960a0e5d41cd
Route role
official mainline
Source feature id
15302
Source feature name
Unknown
Source geometry id
{59ABC6E5-091B-4AD3-B560-79283EF402B8}
Start coordinate
Latitude
37.9484577
Longitude
-119.7890719
Surface
Unknown
Evidence and sources (1)

No claim effective interval recorded.

Spatial scope IDs: scope-hetch-hetchy

  1. Evidence stance: supports · Evidence details

    Reviewed NPS Public Trails features provide exact shared endpoints for the Wapama Falls shoreline chain and Poopenaut Valley Trail selected against the official Hetch Hetchy map.

    Publisher
    National Park Service
    Observer / attribution
    Not recorded
    Observed at
    Unknown
    Retrieved at
    2026-09-26T00:00:00+00:00

    Retrieval time does not establish when an event occurred.

    Observation details · Source details · Original source: National Park Service

    Recorded artifact references
    • geometry/v0/snapshots/nps-yose-hetch-hetchy-route-features-20260926.geojson

    References are not a confirmation of current availability.

Official dataset route segment

Recorded for: Hetch Hetchy trail segment 15865

Allowed uses
Hiker/Pedestrian
Distance status
not published at segment level
End coordinate
Latitude
37.9631979
Longitude
-119.7668643
Geometry snapshot
Feature id
nps-trail-15865
Path
geometry/v0/snapshots/nps-yose-hetch-hetchy-route-features-20260926.geojson
Sha256
dc04ac70ffa741abdb75c9ab76ee08ab4657a1505f161ae08588960a0e5d41cd
Route role
official mainline
Source feature id
15865
Source feature name
Unknown
Source geometry id
{E54454D3-FDF2-4360-9309-F90E51E03A64}
Start coordinate
Latitude
37.9579898
Longitude
-119.784612
Surface
Unknown
Evidence and sources (1)

No claim effective interval recorded.

Spatial scope IDs: scope-hetch-hetchy

  1. Evidence stance: supports · Evidence details

    Reviewed NPS Public Trails features provide exact shared endpoints for the Wapama Falls shoreline chain and Poopenaut Valley Trail selected against the official Hetch Hetchy map.

    Publisher
    National Park Service
    Observer / attribution
    Not recorded
    Observed at
    Unknown
    Retrieved at
    2026-09-26T00:00:00+00:00

    Retrieval time does not establish when an event occurred.

    Observation details · Source details · Original source: National Park Service

    Recorded artifact references
    • geometry/v0/snapshots/nps-yose-hetch-hetchy-route-features-20260926.geojson

    References are not a confirmation of current availability.

Official dataset route segment

Recorded for: Hetch Hetchy trail segment 16595

Allowed uses
Hiker/Pedestrian
Distance status
not published at segment level
End coordinate
Latitude
37.9636571
Longitude
-119.7655228
Geometry snapshot
Feature id
nps-trail-16595
Path
geometry/v0/snapshots/nps-yose-hetch-hetchy-route-features-20260926.geojson
Sha256
dc04ac70ffa741abdb75c9ab76ee08ab4657a1505f161ae08588960a0e5d41cd
Route role
official mainline
Source feature id
16595
Source feature name
Unknown
Source geometry id
{52FF37F2-FE49-46E3-8B0B-F1F4AB400896}
Start coordinate
Latitude
37.963609
Longitude
-119.7656084
Surface
Masonry/Stone
Evidence and sources (1)

No claim effective interval recorded.

Spatial scope IDs: scope-hetch-hetchy

  1. Evidence stance: supports · Evidence details

    Reviewed NPS Public Trails features provide exact shared endpoints for the Wapama Falls shoreline chain and Poopenaut Valley Trail selected against the official Hetch Hetchy map.

    Publisher
    National Park Service
    Observer / attribution
    Not recorded
    Observed at
    Unknown
    Retrieved at
    2026-09-26T00:00:00+00:00

    Retrieval time does not establish when an event occurred.

    Observation details · Source details · Original source: National Park Service

    Recorded artifact references
    • geometry/v0/snapshots/nps-yose-hetch-hetchy-route-features-20260926.geojson

    References are not a confirmation of current availability.

Official dataset route segment

Recorded for: Hetch Hetchy trail segment 16728

Allowed uses
Hiker/Pedestrian
Distance status
not published at segment level
End coordinate
Latitude
37.9633026
Longitude
-119.7663022
Geometry snapshot
Feature id
nps-trail-16728
Path
geometry/v0/snapshots/nps-yose-hetch-hetchy-route-features-20260926.geojson
Sha256
dc04ac70ffa741abdb75c9ab76ee08ab4657a1505f161ae08588960a0e5d41cd
Route role
official mainline
Source feature id
16728
Source feature name
Unknown
Source geometry id
{DCB1DD5C-9B28-446B-B049-DA2DD94D950C}
Start coordinate
Latitude
37.963288
Longitude
-119.7664419
Surface
Masonry/Stone
Evidence and sources (1)

No claim effective interval recorded.

Spatial scope IDs: scope-hetch-hetchy

  1. Evidence stance: supports · Evidence details

    Reviewed NPS Public Trails features provide exact shared endpoints for the Wapama Falls shoreline chain and Poopenaut Valley Trail selected against the official Hetch Hetchy map.

    Publisher
    National Park Service
    Observer / attribution
    Not recorded
    Observed at
    Unknown
    Retrieved at
    2026-09-26T00:00:00+00:00

    Retrieval time does not establish when an event occurred.

    Observation details · Source details · Original source: National Park Service

    Recorded artifact references
    • geometry/v0/snapshots/nps-yose-hetch-hetchy-route-features-20260926.geojson

    References are not a confirmation of current availability.

Official dataset route segment

Recorded for: Hetch Hetchy trail segment 16804

Allowed uses
Hiker/Pedestrian
Distance status
not published at segment level
End coordinate
Latitude
37.9634284
Longitude
-119.7660939
Geometry snapshot
Feature id
nps-trail-16804
Path
geometry/v0/snapshots/nps-yose-hetch-hetchy-route-features-20260926.geojson
Sha256
dc04ac70ffa741abdb75c9ab76ee08ab4657a1505f161ae08588960a0e5d41cd
Route role
official mainline
Source feature id
16804
Source feature name
Unknown
Source geometry id
{5F13EE2D-DE2E-4372-898E-0465B170C5B8}
Start coordinate
Latitude
37.963352
Longitude
-119.766202
Surface
Masonry/Stone
Evidence and sources (1)

No claim effective interval recorded.

Spatial scope IDs: scope-hetch-hetchy

  1. Evidence stance: supports · Evidence details

    Reviewed NPS Public Trails features provide exact shared endpoints for the Wapama Falls shoreline chain and Poopenaut Valley Trail selected against the official Hetch Hetchy map.

    Publisher
    National Park Service
    Observer / attribution
    Not recorded
    Observed at
    Unknown
    Retrieved at
    2026-09-26T00:00:00+00:00

    Retrieval time does not establish when an event occurred.

    Observation details · Source details · Original source: National Park Service

    Recorded artifact references
    • geometry/v0/snapshots/nps-yose-hetch-hetchy-route-features-20260926.geojson

    References are not a confirmation of current availability.

Official dataset route segment

Recorded for: Hetch Hetchy trail segment 20767

Allowed uses
Hiker/Pedestrian
Distance status
not published at segment level
End coordinate
Latitude
37.9579898
Longitude
-119.784612
Geometry snapshot
Feature id
nps-trail-20767
Path
geometry/v0/snapshots/nps-yose-hetch-hetchy-route-features-20260926.geojson
Sha256
dc04ac70ffa741abdb75c9ab76ee08ab4657a1505f161ae08588960a0e5d41cd
Route role
official mainline
Source feature id
20767
Source feature name
Unknown
Source geometry id
{C2E8B608-C416-412A-90BA-2D973B18DD50}
Start coordinate
Latitude
37.9499028
Longitude
-119.7896728
Surface
Unknown
Evidence and sources (1)

No claim effective interval recorded.

Spatial scope IDs: scope-hetch-hetchy

  1. Evidence stance: supports · Evidence details

    Reviewed NPS Public Trails features provide exact shared endpoints for the Wapama Falls shoreline chain and Poopenaut Valley Trail selected against the official Hetch Hetchy map.

    Publisher
    National Park Service
    Observer / attribution
    Not recorded
    Observed at
    Unknown
    Retrieved at
    2026-09-26T00:00:00+00:00

    Retrieval time does not establish when an event occurred.

    Observation details · Source details · Original source: National Park Service

    Recorded artifact references
    • geometry/v0/snapshots/nps-yose-hetch-hetchy-route-features-20260926.geojson

    References are not a confirmation of current availability.

Official dataset route segment

Recorded for: Hetch Hetchy trail segment 20830

Allowed uses
Hiker/Pedestrian
Distance status
not published at segment level
End coordinate
Latitude
37.963352
Longitude
-119.766202
Geometry snapshot
Feature id
nps-trail-20830
Path
geometry/v0/snapshots/nps-yose-hetch-hetchy-route-features-20260926.geojson
Sha256
dc04ac70ffa741abdb75c9ab76ee08ab4657a1505f161ae08588960a0e5d41cd
Route role
official mainline
Source feature id
20830
Source feature name
Unknown
Source geometry id
{68D792F3-A6FA-4322-B6E3-13D49385512A}
Start coordinate
Latitude
37.9633026
Longitude
-119.7663022
Surface
Wood
Evidence and sources (1)

No claim effective interval recorded.

Spatial scope IDs: scope-hetch-hetchy

  1. Evidence stance: supports · Evidence details

    Reviewed NPS Public Trails features provide exact shared endpoints for the Wapama Falls shoreline chain and Poopenaut Valley Trail selected against the official Hetch Hetchy map.

    Publisher
    National Park Service
    Observer / attribution
    Not recorded
    Observed at
    Unknown
    Retrieved at
    2026-09-26T00:00:00+00:00

    Retrieval time does not establish when an event occurred.

    Observation details · Source details · Original source: National Park Service

    Recorded artifact references
    • geometry/v0/snapshots/nps-yose-hetch-hetchy-route-features-20260926.geojson

    References are not a confirmation of current availability.

Official dataset route segment

Recorded for: Hetch Hetchy trail segment 20889

Allowed uses
Hiker/Pedestrian
Distance status
not published at segment level
End coordinate
Latitude
37.9484577
Longitude
-119.7890719
Geometry snapshot
Feature id
nps-trail-20889
Path
geometry/v0/snapshots/nps-yose-hetch-hetchy-route-features-20260926.geojson
Sha256
dc04ac70ffa741abdb75c9ab76ee08ab4657a1505f161ae08588960a0e5d41cd
Route role
official mainline
Source feature id
20889
Source feature name
Unknown
Source geometry id
{768DFDDF-7856-43BC-9FB6-CE36BB651EA4}
Start coordinate
Latitude
37.9499028
Longitude
-119.7896728
Surface
Unknown
Evidence and sources (1)

No claim effective interval recorded.

Spatial scope IDs: scope-hetch-hetchy

  1. Evidence stance: supports · Evidence details

    Reviewed NPS Public Trails features provide exact shared endpoints for the Wapama Falls shoreline chain and Poopenaut Valley Trail selected against the official Hetch Hetchy map.

    Publisher
    National Park Service
    Observer / attribution
    Not recorded
    Observed at
    Unknown
    Retrieved at
    2026-09-26T00:00:00+00:00

    Retrieval time does not establish when an event occurred.

    Observation details · Source details · Original source: National Park Service

    Recorded artifact references
    • geometry/v0/snapshots/nps-yose-hetch-hetchy-route-features-20260926.geojson

    References are not a confirmation of current availability.

Official dataset route segment

Recorded for: Hetch Hetchy trail segment 21750

Allowed uses
Hiker/Pedestrian
Distance status
not published at segment level
End coordinate
Latitude
37.963609
Longitude
-119.7656084
Geometry snapshot
Feature id
nps-trail-21750
Path
geometry/v0/snapshots/nps-yose-hetch-hetchy-route-features-20260926.geojson
Sha256
dc04ac70ffa741abdb75c9ab76ee08ab4657a1505f161ae08588960a0e5d41cd
Route role
official mainline
Source feature id
21750
Source feature name
Unknown
Source geometry id
{8D7D44F2-9B0C-415F-8F71-C7157C28C983}
Start coordinate
Latitude
37.9634284
Longitude
-119.7660939
Surface
Wood
Evidence and sources (1)

No claim effective interval recorded.

Spatial scope IDs: scope-hetch-hetchy

  1. Evidence stance: supports · Evidence details

    Reviewed NPS Public Trails features provide exact shared endpoints for the Wapama Falls shoreline chain and Poopenaut Valley Trail selected against the official Hetch Hetchy map.

    Publisher
    National Park Service
    Observer / attribution
    Not recorded
    Observed at
    Unknown
    Retrieved at
    2026-09-26T00:00:00+00:00

    Retrieval time does not establish when an event occurred.

    Observation details · Source details · Original source: National Park Service

    Recorded artifact references
    • geometry/v0/snapshots/nps-yose-hetch-hetchy-route-features-20260926.geojson

    References are not a confirmation of current availability.

Official dataset route segment

Recorded for: Hetch Hetchy trail segment 22149

Allowed uses
Hiker/Pedestrian
Distance status
not published at segment level
End coordinate
Latitude
37.963288
Longitude
-119.7664419
Geometry snapshot
Feature id
nps-trail-22149
Path
geometry/v0/snapshots/nps-yose-hetch-hetchy-route-features-20260926.geojson
Sha256
dc04ac70ffa741abdb75c9ab76ee08ab4657a1505f161ae08588960a0e5d41cd
Route role
official mainline
Source feature id
22149
Source feature name
Unknown
Source geometry id
{D4CFF617-21A9-47AF-B804-61867517D5E1}
Start coordinate
Latitude
37.9631979
Longitude
-119.7668643
Surface
Wood
Evidence and sources (1)

No claim effective interval recorded.

Spatial scope IDs: scope-hetch-hetchy

  1. Evidence stance: supports · Evidence details

    Reviewed NPS Public Trails features provide exact shared endpoints for the Wapama Falls shoreline chain and Poopenaut Valley Trail selected against the official Hetch Hetchy map.

    Publisher
    National Park Service
    Observer / attribution
    Not recorded
    Observed at
    Unknown
    Retrieved at
    2026-09-26T00:00:00+00:00

    Retrieval time does not establish when an event occurred.

    Observation details · Source details · Original source: National Park Service

    Recorded artifact references
    • geometry/v0/snapshots/nps-yose-hetch-hetchy-route-features-20260926.geojson

    References are not a confirmation of current availability.

Official dataset route segment

Recorded for: Hetch Hetchy trail segment 22819

Allowed uses
Hiker/Pedestrian
Distance status
not published at segment level
End coordinate
Latitude
37.9102035
Longitude
-119.814626
Geometry snapshot
Feature id
nps-trail-22819
Path
geometry/v0/snapshots/nps-yose-hetch-hetchy-route-features-20260926.geojson
Sha256
dc04ac70ffa741abdb75c9ab76ee08ab4657a1505f161ae08588960a0e5d41cd
Route role
official mainline
Source feature id
22819
Source feature name
Poopenaut Valley Trail
Source geometry id
{AF1B24ED-3E8B-4D72-8970-346D3AA24E14}
Start coordinate
Latitude
37.9191633
Longitude
-119.8200624
Surface
Native
Evidence and sources (1)

No claim effective interval recorded.

Spatial scope IDs: scope-hetch-hetchy

  1. Evidence stance: supports · Evidence details

    Reviewed NPS Public Trails features provide exact shared endpoints for the Wapama Falls shoreline chain and Poopenaut Valley Trail selected against the official Hetch Hetchy map.

    Publisher
    National Park Service
    Observer / attribution
    Not recorded
    Observed at
    Unknown
    Retrieved at
    2026-09-26T00:00:00+00:00

    Retrieval time does not establish when an event occurred.

    Observation details · Source details · Original source: National Park Service

    Recorded artifact references
    • geometry/v0/snapshots/nps-yose-hetch-hetchy-route-features-20260926.geojson

    References are not a confirmation of current availability.

Ordered route geometry

Recorded for: Poopenaut Valley

Distance status
published at route level only
Route shape
out and back objective corridor
Segment ids
  • route-segment-yosemite-hetch-hetchy-nps-22819
Start node id
trailhead-poopenaut-valley
Evidence and sources (1)

No claim effective interval recorded.

Spatial scope IDs: scope-hetch-hetchy

  1. Evidence stance: supports · Evidence details

    The official Hetch Hetchy map and route descriptions establish the Wapama shoreline path, Poopenaut Valley path, route starts, and objectives used in this graph.

    Publisher
    National Park Service
    Observer / attribution
    Not recorded
    Observed at
    Unknown
    Retrieved at
    2026-09-26T00:00:00+00:00

    Retrieval time does not establish when an event occurred.

    Observation details · Source details · Original source: National Park Service

Ordered route geometry

Recorded for: Wapama Falls

Distance status
published at route level only
Route shape
out and back objective corridor
Segment ids
  • route-segment-yosemite-hetch-hetchy-nps-15302
  • route-segment-yosemite-hetch-hetchy-nps-20889
  • route-segment-yosemite-hetch-hetchy-nps-20767
  • route-segment-yosemite-hetch-hetchy-nps-15865
  • route-segment-yosemite-hetch-hetchy-nps-22149
  • route-segment-yosemite-hetch-hetchy-nps-16728
  • route-segment-yosemite-hetch-hetchy-nps-20830
  • route-segment-yosemite-hetch-hetchy-nps-16804
  • route-segment-yosemite-hetch-hetchy-nps-21750
  • route-segment-yosemite-hetch-hetchy-nps-16595
  • route-segment-yosemite-hetch-hetchy-nps-15187
Start node id
trailhead-wapama-rancheria
Evidence and sources (1)

No claim effective interval recorded.

Spatial scope IDs: scope-hetch-hetchy

  1. Evidence stance: supports · Evidence details

    The official Hetch Hetchy map and route descriptions establish the Wapama shoreline path, Poopenaut Valley path, route starts, and objectives used in this graph.

    Publisher
    National Park Service
    Observer / attribution
    Not recorded
    Observed at
    Unknown
    Retrieved at
    2026-09-26T00:00:00+00:00

    Retrieval time does not establish when an event occurred.

    Observation details · Source details · Original source: National Park Service

Published route profile

Recorded for: Lookout Point

Elevation gain ft
680
Objective entity ids
  • viewpoint-lookout-point-hetch-hetchy
Operational status requires current check
Yes
Published start entity id
trailhead-hetch-hetchy
Published time
1 hour
Round trip miles
2.0
Evidence and sources (1)

No claim effective interval recorded.

Spatial scope IDs: scope-hetch-hetchy

  1. Evidence stance: supports · Evidence details

    NPS publishes Lookout Point and Smith Peak profiles from Hetch Hetchy trailheads and describes seasonal vehicle access.

    Publisher
    National Park Service
    Observer / attribution
    Not recorded
    Observed at
    Unknown
    Retrieved at
    2026-09-25T00:00:00+00:00

    Retrieval time does not establish when an event occurred.

    Observation details · Source details · Original source: National Park Service

Published route profile

Recorded for: Lake Vernon and Rancheria Falls Loop

Elevation gain ft
4450
Loop miles
28.2
Objective entity ids
  • waterbody-lake-vernon
  • waterfall-rancheria
Operational status requires current check
Yes
Overnight permit required
Yes
Permit demand
low
Published start entity id
trailhead-beehive-meadow
Evidence and sources (1)

No claim effective interval recorded.

Spatial scope IDs: scope-hetch-hetchy

  1. Evidence stance: supports · Evidence details

    NPS publishes selected northern Yosemite backpacking route identities, mileage, elevation gain, permit demand, and trailheads.

    Publisher
    National Park Service
    Observer / attribution
    Not recorded
    Observed at
    Unknown
    Retrieved at
    2026-09-25T00:00:00+00:00

    Retrieval time does not establish when an event occurred.

    Observation details · Source details · Original source: National Park Service

Published route profile

Recorded for: Laurel Lake

Elevation gain ft
2700
Objective entity ids
  • waterbody-laurel-lake
Operational status requires current check
Yes
Permit demand
low
Published start entity id
trailhead-beehive-meadow
Round trip miles
14.2
Evidence and sources (1)

No claim effective interval recorded.

Spatial scope IDs: scope-hetch-hetchy

  1. Evidence stance: supports · Evidence details

    NPS publishes selected northern Yosemite backpacking route identities, mileage, elevation gain, permit demand, and trailheads.

    Publisher
    National Park Service
    Observer / attribution
    Not recorded
    Observed at
    Unknown
    Retrieved at
    2026-09-25T00:00:00+00:00

    Retrieval time does not establish when an event occurred.

    Observation details · Source details · Original source: National Park Service

Published route profile

Recorded for: Poopenaut Valley

Elevation change ft
1279
Objective entity ids
  • valley-poopenaut
Operational status requires current check
Yes
Profile
steep descent and strenuous return climb
Published start entity id
trailhead-poopenaut-valley
Round trip miles
2.5
Evidence and sources (1)

No claim effective interval recorded.

Spatial scope IDs: scope-hetch-hetchy

  1. Evidence stance: supports · Evidence details

    NPS publishes Hetch Hetchy day and multi-day route starts, distances, elevation changes, use rules, and permit context.

    Publisher
    National Park Service
    Observer / attribution
    Not recorded
    Observed at
    Unknown
    Retrieved at
    2026-09-25T00:00:00+00:00

    Retrieval time does not establish when an event occurred.

    Observation details · Source details · Original source: National Park Service

Published route profile

Recorded for: Rancheria Falls

Alternate nps day hikes miles
13.0
Distance conflict preserved
Yes
Elevation gain ft
1909
Objective entity ids
  • waterfall-wapama
  • waterfall-rancheria
Operational status requires current check
Yes
Published start entity id
trailhead-wapama-rancheria
Published time
6 to 8 hours
Round trip miles
13.4
Evidence and sources (1)

No claim effective interval recorded.

Spatial scope IDs: scope-hetch-hetchy

  1. Evidence stance: supports · Evidence details

    NPS publishes O'Shaughnessy Dam starts and current Wapama and Rancheria route profiles, plus road-hour and use restrictions.

    Publisher
    National Park Service
    Observer / attribution
    Not recorded
    Observed at
    Unknown
    Retrieved at
    2026-09-25T00:00:00+00:00

    Retrieval time does not establish when an event occurred.

    Observation details · Source details · Original source: National Park Service

Published route profile

Recorded for: Smith Peak from Hetch Hetchy Entrance

Elevation gain ft
3300
Objective entity ids
  • peak-smith
Operational status requires current check
Yes
Published start entity id
entrance-yosemite-hetch-hetchy
Round trip miles
16.0
Evidence and sources (1)

No claim effective interval recorded.

Spatial scope IDs: scope-hetch-hetchy

  1. Evidence stance: supports · Evidence details

    NPS publishes Hetch Hetchy day and multi-day route starts, distances, elevation changes, use rules, and permit context.

    Publisher
    National Park Service
    Observer / attribution
    Not recorded
    Observed at
    Unknown
    Retrieved at
    2026-09-25T00:00:00+00:00

    Retrieval time does not establish when an event occurred.

    Observation details · Source details · Original source: National Park Service

Published route profile

Recorded for: Smith Peak from Smith Peak Trailhead

Alternate nps day hikes miles
13.0
Distance conflict preserved
Yes
Elevation gain ft
3700
Objective entity ids
  • peak-smith
Operational status requires current check
Yes
Published start entity id
trailhead-smith-peak
Published time
6 to 8 hours
Round trip miles
13.5
Evidence and sources (1)

No claim effective interval recorded.

Spatial scope IDs: scope-hetch-hetchy

  1. Evidence stance: supports · Evidence details

    NPS publishes Lookout Point and Smith Peak profiles from Hetch Hetchy trailheads and describes seasonal vehicle access.

    Publisher
    National Park Service
    Observer / attribution
    Not recorded
    Observed at
    Unknown
    Retrieved at
    2026-09-25T00:00:00+00:00

    Retrieval time does not establish when an event occurred.

    Observation details · Source details · Original source: National Park Service

Published route profile

Recorded for: Wapama Falls

Elevation gain ft
507
Objective entity ids
  • waterfall-wapama
Operational status requires current check
Yes
Published start entity id
trailhead-wapama-rancheria
Published time
2 hours
Round trip miles
5.0
Evidence and sources (1)

No claim effective interval recorded.

Spatial scope IDs: scope-hetch-hetchy

  1. Evidence stance: supports · Evidence details

    NPS publishes O'Shaughnessy Dam starts and current Wapama and Rancheria route profiles, plus road-hour and use restrictions.

    Publisher
    National Park Service
    Observer / attribution
    Not recorded
    Observed at
    Unknown
    Retrieved at
    2026-09-25T00:00:00+00:00

    Retrieval time does not establish when an event occurred.

    Observation details · Source details · Original source: National Park Service

More planning facts

Reviewed map point

Recorded for: Hetch Hetchy Parking

Geometry snapshot
Feature id
access-hetch-hetchy-parking
Path
geometry/v0/snapshots/nps-yose-hetch-hetchy-pois-20260925.geojson
Sha256
534627203b9c7ec50e4c6a3728bd3a1ebba89f10af1d253633e43de9390180b1
Latitude
37.946167670835024
Longitude
-119.7881088594954
Navigation grade
No
Source ids
  • source-nps-public-pois-feature-service
Evidence and sources (1)

No claim effective interval recorded.

Spatial scope IDs: scope-hetch-hetchy

  1. Evidence stance: supports · Evidence details

    Reviewed NPS Public POIs identify Hetch Hetchy entrance, dam-area access, parking, restroom, trailheads, campground restroom, and Wapama Falls.

    Publisher
    National Park Service
    Observer / attribution
    Not recorded
    Observed at
    Unknown
    Retrieved at
    2026-09-25T00:00:00+00:00

    Retrieval time does not establish when an event occurred.

    Observation details · Source details · Original source: National Park Service

    Recorded artifact references
    • geometry/v0/snapshots/nps-yose-hetch-hetchy-pois-20260925.geojson

    References are not a confirmation of current availability.

Reviewed map point

Recorded for: O'Shaughnessy Dam

Geometry snapshot
Feature id
dam-oshaughnessy
Path
geometry/v0/snapshots/nps-yose-hetch-hetchy-pois-20260925.geojson
Sha256
534627203b9c7ec50e4c6a3728bd3a1ebba89f10af1d253633e43de9390180b1
Latitude
37.94742630796176
Longitude
-119.78796296961745
Navigation grade
No
Source ids
  • source-nps-public-pois-feature-service
Evidence and sources (1)

No claim effective interval recorded.

Spatial scope IDs: scope-hetch-hetchy

  1. Evidence stance: supports · Evidence details

    Reviewed NPS Public POIs identify Hetch Hetchy entrance, dam-area access, parking, restroom, trailheads, campground restroom, and Wapama Falls.

    Publisher
    National Park Service
    Observer / attribution
    Not recorded
    Observed at
    Unknown
    Retrieved at
    2026-09-25T00:00:00+00:00

    Retrieval time does not establish when an event occurred.

    Observation details · Source details · Original source: National Park Service

    Recorded artifact references
    • geometry/v0/snapshots/nps-yose-hetch-hetchy-pois-20260925.geojson

    References are not a confirmation of current availability.

Reviewed map point

Recorded for: Hetch Hetchy Entrance

Geometry snapshot
Feature id
entrance-yosemite-hetch-hetchy
Path
geometry/v0/snapshots/nps-yose-hetch-hetchy-pois-20260925.geojson
Sha256
534627203b9c7ec50e4c6a3728bd3a1ebba89f10af1d253633e43de9390180b1
Latitude
37.89359070609871
Longitude
-119.84169580512116
Navigation grade
No
Source ids
  • source-nps-public-pois-feature-service
Evidence and sources (1)

No claim effective interval recorded.

Spatial scope IDs: scope-hetch-hetchy

  1. Evidence stance: supports · Evidence details

    Reviewed NPS Public POIs identify Hetch Hetchy entrance, dam-area access, parking, restroom, trailheads, campground restroom, and Wapama Falls.

    Publisher
    National Park Service
    Observer / attribution
    Not recorded
    Observed at
    Unknown
    Retrieved at
    2026-09-25T00:00:00+00:00

    Retrieval time does not establish when an event occurred.

    Observation details · Source details · Original source: National Park Service

    Recorded artifact references
    • geometry/v0/snapshots/nps-yose-hetch-hetchy-pois-20260925.geojson

    References are not a confirmation of current availability.

Reviewed map point

Recorded for: Hetch Hetchy Backpackers Campground Restroom

Geometry snapshot
Feature id
facility-hetch-hetchy-backpackers-restroom
Path
geometry/v0/snapshots/nps-yose-hetch-hetchy-pois-20260925.geojson
Sha256
534627203b9c7ec50e4c6a3728bd3a1ebba89f10af1d253633e43de9390180b1
Latitude
37.9428287666434
Longitude
-119.7865063548482
Navigation grade
No
Source ids
  • source-nps-public-pois-feature-service
Evidence and sources (1)

No claim effective interval recorded.

Spatial scope IDs: scope-hetch-hetchy

  1. Evidence stance: supports · Evidence details

    Reviewed NPS Public POIs identify Hetch Hetchy entrance, dam-area access, parking, restroom, trailheads, campground restroom, and Wapama Falls.

    Publisher
    National Park Service
    Observer / attribution
    Not recorded
    Observed at
    Unknown
    Retrieved at
    2026-09-25T00:00:00+00:00

    Retrieval time does not establish when an event occurred.

    Observation details · Source details · Original source: National Park Service

    Recorded artifact references
    • geometry/v0/snapshots/nps-yose-hetch-hetchy-pois-20260925.geojson

    References are not a confirmation of current availability.

Reviewed map point

Recorded for: Hetch Hetchy Restroom

Geometry snapshot
Feature id
facility-hetch-hetchy-restroom
Path
geometry/v0/snapshots/nps-yose-hetch-hetchy-pois-20260925.geojson
Sha256
534627203b9c7ec50e4c6a3728bd3a1ebba89f10af1d253633e43de9390180b1
Latitude
37.94604493816227
Longitude
-119.78344809572341
Navigation grade
No
Source ids
  • source-nps-public-pois-feature-service
Evidence and sources (1)

No claim effective interval recorded.

Spatial scope IDs: scope-hetch-hetchy

  1. Evidence stance: supports · Evidence details

    Reviewed NPS Public POIs identify Hetch Hetchy entrance, dam-area access, parking, restroom, trailheads, campground restroom, and Wapama Falls.

    Publisher
    National Park Service
    Observer / attribution
    Not recorded
    Observed at
    Unknown
    Retrieved at
    2026-09-25T00:00:00+00:00

    Retrieval time does not establish when an event occurred.

    Observation details · Source details · Original source: National Park Service

    Recorded artifact references
    • geometry/v0/snapshots/nps-yose-hetch-hetchy-pois-20260925.geojson

    References are not a confirmation of current availability.

Reviewed map point

Recorded for: Poopenaut Valley Trailhead

Geometry snapshot
Feature id
trailhead-poopenaut-valley
Path
geometry/v0/snapshots/nps-yose-hetch-hetchy-pois-20260925.geojson
Sha256
534627203b9c7ec50e4c6a3728bd3a1ebba89f10af1d253633e43de9390180b1
Latitude
37.910203520592894
Longitude
-119.81462602464434
Navigation grade
No
Source ids
  • source-nps-public-pois-feature-service
Evidence and sources (1)

No claim effective interval recorded.

Spatial scope IDs: scope-hetch-hetchy

  1. Evidence stance: supports · Evidence details

    Reviewed NPS Public POIs identify Hetch Hetchy entrance, dam-area access, parking, restroom, trailheads, campground restroom, and Wapama Falls.

    Publisher
    National Park Service
    Observer / attribution
    Not recorded
    Observed at
    Unknown
    Retrieved at
    2026-09-25T00:00:00+00:00

    Retrieval time does not establish when an event occurred.

    Observation details · Source details · Original source: National Park Service

    Recorded artifact references
    • geometry/v0/snapshots/nps-yose-hetch-hetchy-pois-20260925.geojson

    References are not a confirmation of current availability.

Reviewed map point

Recorded for: Smith Peak Trailhead

Geometry snapshot
Feature id
trailhead-smith-peak
Path
geometry/v0/snapshots/nps-yose-hetch-hetchy-pois-20260925.geojson
Sha256
534627203b9c7ec50e4c6a3728bd3a1ebba89f10af1d253633e43de9390180b1
Latitude
37.92619181448112
Longitude
-119.79514489932717
Navigation grade
No
Source ids
  • source-nps-public-pois-feature-service
Evidence and sources (1)

No claim effective interval recorded.

Spatial scope IDs: scope-hetch-hetchy

  1. Evidence stance: supports · Evidence details

    Reviewed NPS Public POIs identify Hetch Hetchy entrance, dam-area access, parking, restroom, trailheads, campground restroom, and Wapama Falls.

    Publisher
    National Park Service
    Observer / attribution
    Not recorded
    Observed at
    Unknown
    Retrieved at
    2026-09-25T00:00:00+00:00

    Retrieval time does not establish when an event occurred.

    Observation details · Source details · Original source: National Park Service

    Recorded artifact references
    • geometry/v0/snapshots/nps-yose-hetch-hetchy-pois-20260925.geojson

    References are not a confirmation of current availability.

Reviewed map point

Recorded for: Wapama and Rancheria Falls Trailhead

Geometry snapshot
Feature id
trailhead-wapama-rancheria
Path
geometry/v0/snapshots/nps-yose-hetch-hetchy-pois-20260925.geojson
Sha256
534627203b9c7ec50e4c6a3728bd3a1ebba89f10af1d253633e43de9390180b1
Latitude
37.94649660290849
Longitude
-119.78751519443698
Navigation grade
No
Source ids
  • source-nps-public-pois-feature-service
Evidence and sources (1)

No claim effective interval recorded.

Spatial scope IDs: scope-hetch-hetchy

  1. Evidence stance: supports · Evidence details

    Reviewed NPS Public POIs identify Hetch Hetchy entrance, dam-area access, parking, restroom, trailheads, campground restroom, and Wapama Falls.

    Publisher
    National Park Service
    Observer / attribution
    Not recorded
    Observed at
    Unknown
    Retrieved at
    2026-09-25T00:00:00+00:00

    Retrieval time does not establish when an event occurred.

    Observation details · Source details · Original source: National Park Service

    Recorded artifact references
    • geometry/v0/snapshots/nps-yose-hetch-hetchy-pois-20260925.geojson

    References are not a confirmation of current availability.

Reviewed map point

Recorded for: Wapama Falls

Geometry snapshot
Feature id
waterfall-wapama
Path
geometry/v0/snapshots/nps-yose-hetch-hetchy-pois-20260925.geojson
Sha256
534627203b9c7ec50e4c6a3728bd3a1ebba89f10af1d253633e43de9390180b1
Latitude
37.96631569733963
Longitude
-119.76546243914778
Navigation grade
No
Source ids
  • source-nps-public-pois-feature-service
Evidence and sources (1)

No claim effective interval recorded.

Spatial scope IDs: scope-hetch-hetchy

  1. Evidence stance: supports · Evidence details

    Reviewed NPS Public POIs identify Hetch Hetchy entrance, dam-area access, parking, restroom, trailheads, campground restroom, and Wapama Falls.

    Publisher
    National Park Service
    Observer / attribution
    Not recorded
    Observed at
    Unknown
    Retrieved at
    2026-09-25T00:00:00+00:00

    Retrieval time does not establish when an event occurred.

    Observation details · Source details · Original source: National Park Service

    Recorded artifact references
    • geometry/v0/snapshots/nps-yose-hetch-hetchy-pois-20260925.geojson

    References are not a confirmation of current availability.

Visitor use rules

Recorded for: Hetch Hetchy Reservoir

Boating
No
Pets on dam or hiking trails
No
Reason
protect drinking-water source
Swimming
No
Evidence and sources (1)

No claim effective interval recorded.

Spatial scope IDs: scope-hetch-hetchy

  1. Evidence stance: supports · Evidence details

    NPS publishes Hetch Hetchy day and multi-day route starts, distances, elevation changes, use rules, and permit context.

    Publisher
    National Park Service
    Observer / attribution
    Not recorded
    Observed at
    Unknown
    Retrieved at
    2026-09-25T00:00:00+00:00

    Retrieval time does not establish when an event occurred.

    Observation details · Source details · Original source: National Park Service

Explore related places

Access and approaches (1)

Places and facilities (2)

Before you go

These open questions need confirmation; Wayproof does not fill them with guesses.

Which gate hours, road restrictions, parking conditions, fire effects, and trail conditions apply on the visit date?

These conditions are volatile and require a contextual current check.

Open question. Linked evidence does not resolve this gap.

No specific claim evidence is linked to this question.

Sources, evidence, and history

Planning facts above are readable first. Open these records when you need to audit a source or see when knowledge changed.

Evidence for 34 published claims
Published ChangeSet history

Canonical data is historical evidence, not a guarantee of current conditions. Recheck volatile facts before travel.